Our Leadership
Suzanne Litherland
Executive Director
Suzanne entered the executive director position at Vashti in April 2026 with a clear understanding of the organization’s mission and potential. Most recently the executive vice president at IMS Business in Tallahassee, Litherland brings nearly 20 years of experience in accounting and financial management, as well as vast knowledge and understanding of the nonprofit sector. At IMS, she served as a fractional CFO for a portfolio of nonprofit organizations, guiding financial systems, internal controls, budgeting, grant compliance, and audit preparation. She worked closely with executive directors and boards to support decision-making, strengthen financial accountability, and navigate organizational challenges, transitions, and funding requirements.
Prior to her time at IMS, Litherland was CFO of the Florida Association of Community Health Centers (FACHC). She holds a Bachelor of Science in Accounting from FSU and an MBA from Western Governors University.
Kamini Ramcharran
Associate Director
Kamini joined the leadership team here at Vashti, in November 2022. Kamini holds a Bachelor’s in Psychology from Fairleigh Dickinson University in New Jersey and a Master’s in Educational Psychology from New Jersey City University. She has spent the past 36 years working with children with developmental disabilities and mental health in their homes, in foster care and in the community across New Jersey, Florida and Georgia.
Kamini was the previous Director of Community Based Services-South for Elks Aidmore Inc., a foster care agency, managing the Valdosta and Savannah locations. Through the different agencies she has worked with the ultimate goal has been the same, to help create a stable foundation for children so they can grow and thrive.
Tammy Harris
HR Director
Prior to Vashti, Tammy worked for the Southwestern State Hospital and Georgia Pines Community Service Board Behavioral Health Crisis Center, ultimately leading her here to further use her skills, love for children, and mental health background. Tammy’s commitment is to help Vashti’s workforce expand and be the best it can be, so that we can continue to serve children & families for another 120 years.
Catherine Wimberly
Program Director, RBWO
Catherine is the Program Director at The Vashti Center, where she has devoted over two decades to creating safe, nurturing, and therapeutic environments for children and adolescents facing complex challenges. Drawing on her own life experiences with adversity, Catherine combines deep empathy with strategic leadership to foster resilience, growth, and stability in the youth she serves. As Program Director, Catherine oversees therapeutic programming, staff supervision, and compliance with state and agency regulations, ensuring that all youth receive holistic care tailored to their individual needs. She is skilled in crisis prevention, program development, and fostering environments that balance safety, structure, and emotional support.
Catherine holds a Master of Divinity from Grand Canyon University, a Master of Science in Rehabilitation Counseling from Thomas University and a Bachelor of Science in Criminal Justice. Guided by faith, Catherine’s personal journey fuels her dedication.
Reverend Donald Mathis
Chaplain
Reverend Donald Mathis is a seasoned pastor and community leader with over 20 years of ministry experience and 18 years in pastoral leadership across Georgia. A native of Tifton, Georgia, he has faithfully served congregations in Savannah, Statesboro, Jesup, Columbus, and more. Reverend Mathis holds an Associate of Arts in Sociology from Georgia State College, a Bachelor of Science in Social Work from Savannah State University (magna cum laude), and a degree with honors from Saint Leo University. He also completed the five-year Course of Study program at Emory University’s Candler School of Theology.
In April 2025, Reverend Mathis joined The Vashti Center for Children & Families in Thomasville, Georgia, as the organization’s full-time Chaplain. In this role, he provides spiritual care and pastoral support to youth in the residential foster care program—serving teens ages 13–17 who are navigating trauma and transition. He and his wife, Margariete Joyce Mathis, have three adult children and twelve grandchildren. Guided by the belief that “Prayer Changes Things,” Reverend Mathis brings a ministry of presence, compassion, and purpose to all he serves.
Cathy Marchant, LCSW
Clinical Director
Marchant is a proud graduate of Florida State University, and holds a Master’s degree in Social Work. Cathy has strong spiritual values and these values have communicated themselves in her ministry to the children of the Vashti Center. She is a loving wife, and mother of two adult sons, and her favorite role, is being a grandma to her grandbabies.
Ashley Snipes
Director of Clinical Operations
Ashley has been a vital part of Vashti since 2019, where she oversees the daily operations of the clinic, including billing and patient intake. With a strong foundation in healthcare administration, Ashley is dedicated to optimizing workflows and ensuring smooth, efficient processes that contribute to the clinic’s success.
She earned her bachelor’s degree in healthcare administration from Piedmont University in 2015 and brings a wealth of expertise in clinic management and operational strategy. Her leadership has been instrumental in expanding the reach and impact of Vashti’s services. Above all, Ashley is committed to making Vashti a safe, welcoming environment for all children and families. She is also a devoted wife and proud dog mom to her sweet dog, Georgia.
Quan Grant
Director of Outreach & Community Training
Quan earned her Bachelor of Science degree in Business from Columbia Southern University and her Master of Science degree in Management and Leadership from Western Governors University. She joined Vashti in early 2023, bringing an unmatched dedication to providing impactful training and resources to communities.
Her team raises awareness across southwest Georgia counties about adverse childhood experiences (ACEs) and trauma, promoting trauma-informed care practices. They are unwavering in their commitment to empowering individuals and organizations with the tools needed to support those affected by trauma. Her department offers free community awareness events and training for organizations both on and off-campus upon request. They also partner with a vast network through Resilient Georgia’s coalitions and connections.
Monika Bowdry
Afterschool Clubhouse Director
Monika holds a Master’s Degree in Rehabilitation Counseling from Thomas University, is currently working towards her licensure as a Professional Counselor. As the Director of the Afterschool Clubhouse, she is dedicated to supporting Thomas County’s youth, especially those who struggle to thrive in a traditional afterschool setting.
Her program caters to up to 40 children, offering after-school pickup, homework assistance, therapeutic activity time, skill-building sessions, individual therapy, and a nutritious meal before they return home. Additionally, the Clubhouse hosts a monthly family night, providing valuable training for parents and caregivers.